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Effect of La substitution on Tc and electronic structure of Bi 2201 phase

✍ Scribed by Yasushi Idemoto; Hiroki Tokunaga; Kazuo Fueki


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
779 KB
Volume
231
Category
Article
ISSN
0921-4534

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Stoichiometry and Tc of Bi-2201 doped wi
✍ P.V.P.S.S. Sastry; A.R. West πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 501 KB

The Tc of rare-earth doped Bi-2201 depends on the post-sintering treatment, with a change of behaviour occuring around x=0.40 in the formula Bil.asSr2.os\_xRxCuOq, R=La, Pr and Nd. For x\_<0.4, samples prepared in air are overdoped and TΒ’ is increased by annealing in argon. For a given x, Tc is inde